@opentelemetry/sdk-trace-base
Version:
61 lines • 2.81 kB
JavaScript
/*
* Copyright The OpenTelemetry Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { buildSamplerFromEnv, loadDefaultConfig } from './config';
import { getNumberFromEnv } from '@opentelemetry/core';
export const DEFAULT_ATTRIBUTE_COUNT_LIMIT = 128;
export const DEFAULT_ATTRIBUTE_VALUE_LENGTH_LIMIT = Infinity;
/**
* Function to merge Default configuration (as specified in './config') with
* user provided configurations.
*/
export function mergeConfig(userConfig) {
const perInstanceDefaults = {
sampler: buildSamplerFromEnv(),
};
const DEFAULT_CONFIG = loadDefaultConfig();
const target = Object.assign({}, DEFAULT_CONFIG, perInstanceDefaults, userConfig);
target.generalLimits = Object.assign({}, DEFAULT_CONFIG.generalLimits, userConfig.generalLimits || {});
target.spanLimits = Object.assign({}, DEFAULT_CONFIG.spanLimits, userConfig.spanLimits || {});
return target;
}
/**
* When general limits are provided and model specific limits are not,
* configures the model specific limits by using the values from the general ones.
* @param userConfig User provided tracer configuration
*/
export function reconfigureLimits(userConfig) {
const spanLimits = Object.assign({}, userConfig.spanLimits);
/**
* Reassign span attribute count limit to use first non null value defined by user or use default value
*/
spanLimits.attributeCountLimit =
userConfig.spanLimits?.attributeCountLimit ??
userConfig.generalLimits?.attributeCountLimit ??
getNumberFromEnv('OTEL_SPAN_ATTRIBUTE_COUNT_LIMIT') ??
getNumberFromEnv('OTEL_ATTRIBUTE_COUNT_LIMIT') ??
DEFAULT_ATTRIBUTE_COUNT_LIMIT;
/**
* Reassign span attribute value length limit to use first non null value defined by user or use default value
*/
spanLimits.attributeValueLengthLimit =
userConfig.spanLimits?.attributeValueLengthLimit ??
userConfig.generalLimits?.attributeValueLengthLimit ??
getNumberFromEnv('OTEL_SPAN_ATTRIBUTE_VALUE_LENGTH_LIMIT') ??
getNumberFromEnv('OTEL_ATTRIBUTE_VALUE_LENGTH_LIMIT') ??
DEFAULT_ATTRIBUTE_VALUE_LENGTH_LIMIT;
return Object.assign({}, userConfig, { spanLimits });
}
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